Visonic MC-303 PowerG – wireless flush-mounted magnetic switch
Visonic MC-303 PowerG (0-104065) replaces the previous model of MC303The new version comes with an updated part number, but serves the same function as the previous MC303 in Visonic installations.
For installers, this means the product can be used as a direct upgrade or replacement in existing PowerMaster systems.
The discreet design makes the sensor ideal in installations where design and aesthetics are important, such as in homes, offices or modern properties.
Discreet recessed installation
MC-303 is mounted directly into the frame and door leaf or window frame. Unlike surface-mounted magnetic contacts, it is not visible in normal use, which provides a significantly more discreet installation.
This makes it particularly suitable in environments where you want to minimize visible components without compromising safety.
PowerG technology
The magnetic contact uses PowerG wireless technology, which provides stable and secure communication with the alarm system. PowerG is developed for professional security systems and provides high operational reliability even in larger buildings.
The device is compatible with Visonic PowerMaster panels and easily integrates into existing PowerG installations.
Easy installation and long operating time
The wireless design makes installation quick and easy as there are no cables to run. The recessed design also protects the sensor and contributes to a discreet end result.
MC-303 is therefore a practical choice both for new installations and when existing alarms are to be expanded.
Main characteristics
- Wireless recessed magnetic switch
- Discreet installation in door or window
- PowerG wireless technology
- Compatible with Visonic PowerMaster systems
- Suitable for both residential and commercial installations
- Quick and easy installation
- Modern discreet design
Summary
Visonic MC-303 PowerG is a discreet and reliable magnetic contact for doors and windows in PowerMaster systems. The flush-mounted design makes the installation almost invisible while the PowerG technology provides stable and secure wireless communication.











